Sentence Examples

  • 1 the earth is therefore receiving energy at the rate of 1.47 kilowatts per square metre, or 1.70 horse-power per square yard.
  • The corresponding intensity at the sun's surface is 4.62 X Io 4 as great, or 6.79 X Io 4 kilowatts per square metre = 7.88 X Io 4 horse-power per square yard - enough to melt a thickness of 13.3 metres (=39.6 ft.) of ice, or to vaporize 1.81 metres (=5.92 ft.) of water per minute.

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